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Financial Instruments (Tables)
6 Months Ended
Aug. 27, 2011
Financial Instruments  
Schedule of carrying amounts and fair values of financial instruments

 

 
  August 27, 2011   February 26, 2011  
 
  Carrying
Amount
  Fair
Value
  Carrying
Amount
  Fair
Value
 

Variable rate indebtedness

  $ 1,449,189   $ 1,300,647   $ 1,425,020   $ 1,386,861  

Fixed rate indebtedness

  $ 4,608,399   $ 4,209,493   $ 4,654,548   $ 4,544,974